General Surgery — Flashcards

Flashcard 561: Spot diagnosis = _____

Answer: irritant contact dermatitis

Flashcard 562: Describe the pathogenesis of acne vulgaris: 1. _____ 2. ↑ sebum production 3. Cutibacterium (formerly Propionibacterium) acnes proliferation within follicle 4. Inflammation **helps understand the management

Answer: Pilosebaceous follicle hyperkeratinisation (clogging of the follicle)

Flashcard 563: Pityriasis versicolor most frequently occurs in _____ & humid weather

Answer: hot

Flashcard 564: Tinea _____ = dermatophyte infection of the body Tinea cruris = dermatophyte infection of the groin Tinea pedis = dermatophyte infection of the foot Tinea capitis = dermatophyte infection of the scalp Tinea unguium = dermatophye infection of the nail

Answer: corporis

Flashcard 565: _____ is most commonly associated with acne vulgaris

Answer: Cutibacterium (Propionibacterium) acnes

Flashcard 566: Spot diagnosis: Intense nocturnal pruritus with linear burrows in finger webs = _____

Answer: Scabies

Extra: Scabies is caused by Sarcoptes scabiei. Treatment involves topical Permethrin 5% or oral Ivermectin. Treatment of all close contacts is essential.

Flashcard 567: Cellulitis most commonly affects the _____

Answer: shin/leg

Flashcard 568: A patient presents with a rash that appeared after a bee sting. Physical exam reveals annular, blanching, red papules on the arm. Vitals are normal. What is the most likely diagnosis? _____

Answer: Urticaria (hives)

Flashcard 569: A spreading, poorly defined area of skin erythema, warmth, and edema is a _____

Answer: Cellulitis

Extra: Contrast with Erysipelas, which has well-defined, raised borders and involves the superficial dermis/lymphatics.

Flashcard 570: Head lice = _____\nNits = empty egg shells that are white, shiny, and \"glued\" to the hair

Answer: small parasitic insects (~3mm) that live for ~30 days